These conditions are characterised by severe difficulties with emotional and behavioural regulation, resulting in difficult, disruptive or aggressive behaviours. The behaviours are associated with physical or verbal injury to oneself, others, or objects or with violating the rights of others. The behaviours may bring the individual into conflict with societal norms or authority figures. Behaviours may be defensive, premeditated or impulsive. These conditions usually have their first onset in childhood and adolescence. Some disruptive behaviour may be normal during adolescence and development, but repeated disruptive behaviour may represent a maladaptive trait that can continue into adulthood.

These conditions include oppositional defiant disorder, intermittent explosive disorder and conduct disorder.


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